code: def basic(self):
      stats = {
          "loss": round(self._loss / self._size_current, cfg.round),
          "lr": round(self._lr, cfg.round),
          "params": self._params,
          "time_iter": round(self.time_iter(), cfg.round),
      }
      gpu_memory = get_current_gpu_usage()
      if gpu_memory > 0:
          stats["gpu_memory"] = gpu_memory
      return stats
  
imports: import logging
  import math
  import sys
  import torch
  import graphgym.register
  from graphgym.config import cfg
  from graphgym.utils.device import get_current_gpu_usage
  from graphgym.utils.io import dict_to_json, dict_to_tb, makedirs
label_desc: Use image node_id 5 for calling the Logger obj's underlying member method code with example usage: obj.basic() and returns: stats